US Bridges

Nfa A139 over Dodson Creek

Good

Jackson County, Tennessee · 4MI North of SR135 · Structure no. 440A1390001

Built
1978
47 years old
Condition
Good
inspected August 2023
Type
Culvert
Concrete Continuous
Length
24 ft
2 main spans
Daily traffic
30
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A139 over Dodson Creek is a concrete continuous culvert carrying Nfa A139 over Dodson Creek in Jackson County, Tennessee. It was built in 1978, so it is 47 years old, younger than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 30 vehicles a day, roughly 2% of them trucks, projected to reach 48 by 2041. The structure is 24 ft (7.3 m) long and 22 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesNfa A139
CrossesDodson Creek
Location4MI North of SR135
RouteCounty Highway 139
Coordinates36.32215, -85.51166
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating99.3 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length24 ft (7.3 m)
Longest span10 ft (3 m)
Deck width22 ft (6.6 m)
Roadway width17 ft (5.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2020)
Projected traffic48 by 2041
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A139 over Dodson Creek built?

It was built in 1978, making it 47 years old in 2025.

What condition is Nfa A139 over Dodson Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2023.

How much traffic does Nfa A139 over Dodson Creek carry?

About 30 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A139 over Dodson Creek?

The structure is 24 ft (7.3 m) long with a longest span of 10 ft (3 m) and a deck 22 ft wide.

Who owns Nfa A139 over Dodson Creek?

It is owned by the County Highway Agency.